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About This Item
Full Description
This document also defines terms and specifies methods for measuring (for quality maintenance or quality control) the maximum relative depth of penetration of real-time ultrasound B-MODE scanners, though this penetration measure is listed as less frequently applied.
Frequent distance-measurement accuracy tests are recommended only for certain classes of position encoding that are not now known to be highly stable and without bias.
The types of transducers used with these scanners include:
- mechanical probes;
- electronic phased arrays;
- linear arrays;
- curved arrays;
- two-dimensional arrays;
- three-dimensional scanning probes based on a combination of the above types.
All scanners considered include basic pulse-echo techniques. The failures to be detected by the recommended pulse-echo tests also will affect the operation of other modes, such as colour-flow, harmonic-, elasticity- and compound imaging. The test methodology is applicable for transducers operating in the 1 MHz to 17 MHz frequency range and could be made applicable up to 40 MHz, if the depth of penetration were allowed to be relative, rather than absolute, and phantom stability were verified [15]. Image-uniformity QC is applicable to transducers operating in the 1 MHz to 40 MHz frequency range as the requirements for phantoms are not stringent.
NOTE Phantom manufacturers are encouraged to extend the frequency range to which phantoms are specified to enable relative depth-of-penetration tests of systems operating at fundamental and harmonic frequencies above 17 MHz.
Cross References:
IEC 60050-802
IEC 61391-1
IEC 61391-2
IEC TS 62791
IEC TS 61390:1996
IEC TS 62558
IEC 62563-1
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS PD IEC TS 62736:2023
Ultrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system's elementary performance- Most Recent
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BS PD IEC/TS 62736:2016
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Ultrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system’s elementary performance- Historical Version